Private company

Takarajimasha

Logo: tkj.jp3

Japanese publishing company

Takarajimasha, Inc. (Japanese: 株式会社宝島社, Hepburn: Kabushiki Gaisha Takarajimasha) is a Japanese publishing company based in Chiyoda, Tokyo.2 It was founded by Seiichi Hasumi.1 It employed 222 people in 2017.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Sep 22, 1971Founded1
  • Industrypublishing industry1
  • HeadquartersIchibanchō1
  • Websitetkj.jp
  • Legal formkabushiki gaisha1
Takarajimasha headquarters 2013-12-29
Photo: Asanagi, CC0, via Wikimedia Commons4

Takarajimasha, Inc. (Japanese: 株式会社宝島社, Hepburn: Kabushiki Gaisha Takarajimasha) is a Japanese publishing company based in Chiyoda, Tokyo.2

Corporate structure

Takarajimasha sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Takarajimasha Ichibanchō
    • Kono Light Novel ga Sugoi! Bunko Owned · Japan
    • Takarajimasha Bunko Owned · Japan

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Takarajimasha reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

  • Kono Light Novel ga Sugoi! Bunko
  • Takarajimasha Bunko

Things Wikidata records the company as owning, with the share when stated.1

The story

Founded by Seiichi Hasumi on Sep 22, 1971.1

Leadership

Who has led Takarajimasha, and when. Pick a name to see everywhere that person has worked.

19801990200020102020

Products and brands

Listed on Wikidata.1

Subsidiaries and ownership

Also owns

  • Kono Light Novel ga Sugoi! Bunko
  • Takarajimasha Bunko

From Wikidata.1

Employees over time

  • 20172221

Timeline

  1. Sep 22, 1971Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3
    Company websiteTakarajimasha logo
  4. 4